1. Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50, 179–211.
2. Ajzen, I., & Fishbein, M. (1980). Understanding attitudes and predicting social behavior. Englewood Cliffs, NJ: Prentice-Hall, Inc.
3. Bandura, A. (1977). Social learning theory. Englewood Cliffs, NJ: Prentice-Hall.
4. Bartholomew, L. K., & Mullen, L. K. (2011). Five roles for using theory and evidence in the design and testing of behavior change interventions. Journal of Public Health Dentistry, 71, S20–S33.
5. Bartholomew, L. K., Parcel, G. S., Kok, G., & Gottlieb, N. H. (2006). Planning health promotion programs: An intervention mapping approach. San Francisco: Jossey-Bass.